：超分辨率(sR)重建技术是利用一幅或多幅低分辨率(LR)图像的信息重建出一幅高分辨率(HR)图像，同时能够

消除由成像器件引入的模糊、噪声。该技术应用领域广泛，已经成为国内外图像处理领域的研究热点之一。介绍了超分

辨率重建技术的基本原理，并分别以单帧和多帧、频域和空域为分类依据，分别阐述了超分辨率重建技术的经典方法，系

统地总结了各种方法的优缺点，提出了超分辨率重建技术可能的研究方向，从而为超分辨率重建相关技术的进一步研究

提供一定的理论基础-Abstract：Super—resolution image reconstruction technique produces a high—resolution image from seve~ low—resolution images，call al—

SO eliminate additive noise and the distinction Which has been come from limited detector of size and optical components．Therefore．it

has been a lot topic in the field of image processing．Introduces the basic principle of super—resolution reconstruction tec hnique，and classifies

the classical method based on single fr a me and multi fr a me．the frequency domain and airspace．Systematically summarizes the ad—

van tages an d disadvan tages of various methods and provide theoretical basis for the supe r—resolution reconstruction technique of further

research，and puts forward the research direction of super-resolution reconstruction technique